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O22.51

Billable

Cerebral venous thrombosis in pregnancy, first trimester

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A blood clot in the veins of the brain that develops during the first trimester of pregnancy.

Coding Tips

  • •Confirm first trimester documentation; this is a rare but serious complication
  • •Link to neurological symptoms documented (headache, seizures, focal deficits) and imaging confirmation

Code Hierarchy

└O22Venous complications and hemorrhoids in pregnancy└O22.5Cerebral venous thrombosis in pregnancy└O22.51Cerebral venous thrombosis in pregnancy, first trimester
└O22.51Cerebral venous thrombosis in pregnancy, first trimester

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